This invention relates to new antibacterial antibiotics Napsamycins A - D of the formula
Napsamycin A :R¹ = H, R² = uracil
Napsamycin B :R¹ = CH₃, R² = uracil
Napsamycin C :R¹ = H, R² = dihydrouracil
Napsamycin D :R¹ = CH₃, R² = dihydrouracil
from a strain of Streptomyces candidus, Y-82,11372 (DSM 5940).
这项发明涉及新的抗菌抗生素Napsamycins A - D,其
化学式如下:
Napsamycin A:R¹ = H,R² = 尿
嘧啶
Napsamycin B:R¹ = CH₃,R² = 尿
嘧啶
Napsamycin C:R¹ = H,R² = 脱氢尿
嘧啶
Napsamycin D:R¹ = CH₃,R² = 脱氢尿
嘧啶,来源于链霉菌Streptomyces candidus的一株Y-82,11372(DSM 5940)。